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authorPedro Alves <palves@redhat.com>2020-06-18 21:28:31 +0100
committerPedro Alves <palves@redhat.com>2020-06-18 23:14:15 +0100
commit86e57d1b233e15f7d72b39dbd381a7e5a9d1b026 (patch)
tree0094629c8282029d0f9d36f30820abb4212858ad /gdb/btrace.c
parentf2e1c129f8f0985ec80e6cf775cf3e4afbced6fa (diff)
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Don't write to inferior_ptid in btrace_fetch
gdb/ChangeLog: 2020-06-18 Pedro Alves <palves@redhat.com> * btrace.c (btrace_fetch): Use switch_to_thread instead of writing to inferior_ptid.
Diffstat (limited to 'gdb/btrace.c')
-rw-r--r--gdb/btrace.c11
1 files changed, 6 insertions, 5 deletions
diff --git a/gdb/btrace.c b/gdb/btrace.c
index d41e3c4..2a0c61d 100644
--- a/gdb/btrace.c
+++ b/gdb/btrace.c
@@ -1910,11 +1910,12 @@ btrace_fetch (struct thread_info *tp, const struct btrace_cpu *cpu)
if (btinfo->replay != NULL)
return;
- /* With CLI usage, TP->PTID always equals INFERIOR_PTID here. Now that we
- can store a gdb.Record object in Python referring to a different thread
- than the current one, temporarily set INFERIOR_PTID. */
- scoped_restore save_inferior_ptid = make_scoped_restore (&inferior_ptid);
- inferior_ptid = tp->ptid;
+ /* With CLI usage, TP is always the current thread when we get here.
+ However, since we can also store a gdb.Record object in Python
+ referring to a different thread than the current one, we need to
+ temporarily set the current thread. */
+ scoped_restore_current_thread restore_thread;
+ switch_to_thread (tp);
/* We should not be called on running or exited threads. */
gdb_assert (can_access_registers_thread (tp));